$87 Cheap Frontier Airlines flights Boston (BOS) to Chicago (ORD)

View $87 flight on Sat, Jan 17, 2026Opens in a new window

$87 Cheap Frontier Airlines flights Boston (BOS) to Chicago (ORD)

Prices were available within the past 7 days and start at $87 for one-way flights and $150 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sat, Jan 17 - Tue, Jan 20
BOS
Boston
ORD
Chicago
$150 Roundtrip, found 4 days ago
$150
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sat, Jan 17 from Boston to Chicago, returning Tue, Jan 20, priced at $150 found 4 days ago
Frontier Airlines
Sat, Jan 17 - Tue, Jan 20
BOS
Boston
ORD
Chicago
$173 Roundtrip, found 4 days ago
$173
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sat, Jan 17 from Boston to Chicago, returning Tue, Jan 20, priced at $173 found 4 days ago

Find the cheapest month to fly from Boston (BOS) to Chicago (ORD)

January is typically the cheapest month to fly

From $91 - $162 per traveler.

Alternative airports near Chicago

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to O'Hare Intl. ORD. Cheapest option available. Average driving time to city center is 23 minutes. Flights from $121
ORD
O'Hare Intl.
Cheapest
Average driving time to city center23 min
Flights from $121

Travel information

Origin airport
Logan Intl.
Destination airport
O'Hare Intl.
Airlines serving
Delta, JetBlue Airways
Popular airline
JetBlue Airways
Distance
1381 km
Average flight time
2 hours 4 mins

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